Air Concentration Summaries from |
Environmental Surveillance Reports |
Los Alamos Airport |
------------------------------------------------------ |
Calendar | Total Air | Total # | # Samples | Air Concentrations |
Year | Volume (m3) | Samples | < MDA | ------------------------------------------------------ |
Min | Max | Mean | Std.Dev. | Units |
==================================================================================================== |
Am-241 |
1975 | 50 | 22 | 5 | aCi/m3 |
1977 | 100722 | 4 | 3 | -1 | 7.1 | 2.3 | 9.2 | aCi/m3 |
1978 | 76020 | 3 | 3 | -2.7 | 2.6 | 0.3 | 5.9 | aCi/m3 |
1979 | 91337 | 4 | 4 | -4.6 | 0.1 | -1.5 | 4.3 | aCi/m3 |
1980 | 93689 | 4 | 3 | -0.5 | 48 | 13 | 24 | aCi/m3 |
1981 | 55406 | 4 | 3 | 0.9 | 8.7 | 3.3 | 7.3 | aCi/m3 |
1982 | 93687 | 3 | 3 | -1.5 | 1.7 | 1.2 | 8.8 | aCi/m3 |
1986 | 93782 | 4 | 2.2 | 7.9 | 4.5 | 2.5 | aCi/m3 |
1987 | 24931 | 1 | 1 | 1.7 | 1.7 | 1.7 | aCi/m3 |
1988 | 66914 | 4 | 1 | 1.4 | 4.8 | 3.3 | 1.4 | aCi/m3 |
1989 | 74148 | 4 | 2 | 0.7 | 2.9 | 1.9 | 1 | aCi/m3 |
1990 | 62843 | 3 | 2 | 1.2 | 2.5 | 1.7 | 0.7 | aCi/m3 |
1991 | 43065 | 2 | 1 | 1.7 | 2.1 | 1.9 | aCi/m3 |
1992 | 41338 | 2 | 1 | 1 | 1 | 1.5 | aCi/m3 |
1993 | 42600 | 3 | 1 | 0.4 | 2.8 | 1.8 | 2.5 | aCi/m3 |
1994 | 61500 | 4 | 3.4 | 9.9 | 5.8 | 5.7 | aCi/m3 |
1995 | 4 | 1 | 1.4 | 5.2 | 3.4 | 3.1 | aCi/m3 |
1996 | 4 | 1.5 | 3.3 | 2.2 | 0.8 | aCi/m3 |
1997 | 4 | 4 | 0.3 | 3.8 | 1.5 | 1.6 | aCi/m3 |
1998 | 4 | 4 | 1.2 | 2.9 | 2.3 | 0.8 | aCi/m3 |
1999 | 4 | 4 | 2 | 3.8 | 2.8 | 0.8 | aCi/m3 |
2000 | 4 | 4 | -0.3 | 2.1 | 0.7 | 1.1 | aCi/m3 |
===================================================================================================== |
Tuesday, December 24, 2002 | Page 2 of 8 |